Not how I interpreted it, at least not the trainer's gesture. I thought he was mimicking squirting a waterbottle -- wonder if something happened at the bench earlier in the game, could also explain why the goal scorer was taunting them.

_________________Hey, I don't have all the answers. In life, to be honest, I've failed as much as I have succeeded. But I love my wife. I love my life. And I wish you my kind of success. - Dicky Fox